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Unusual Behavior with Large Prints (DC4sx) and workaround

Discussion in 'Summa' started by garisimo, Sep 28, 2012.

  1. garisimo

    garisimo Member

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    Oct 14, 2009
    USA
    Hi all -- just wanted to point out an oddity I discovered recently when printing a job on our DC4sx. The lcd screen on the printer normally shows between 26.3" and 26.5" as the print width for a 30" roll of vinyl. However, if all four of the following conditions are met:

    -- print document width is wider than 25.xx (not sure exactly what xx is, around .4) but does not exceed the lcd print width indicated
    -- includes the color black saved as a spot color instead of process*
    -- has cutting instructions (contour, flexcut)
    -- OptiTrac is set to Cyan

    The job will print one pass, neglect to print the right-most OptiTrac mark, and stop printing (error on the lcd screen of the printer indicating OT cannot be found).

    If you change the OT color in the printer menu to black (or even another ribbon that OT can see) it will print and cut fine. If you remove the cutting instructions (Contour, FlexCut), it will print fine. If you reduce the print width to 25.3" or less it will print and cut fine.

    I don't have a DC4, so I don't know if a similar problem exists on it.

    My workaround, as indicated above, is to have the OT color black instead of cyan. The only downside is that previously if cyan was the OT and it wasn't in the print colors black would be selected automatically. The reverse is not true -- with black selected as the OT the printer always uses black for the OT, even if cyan is in the print and black is not.

    Cheers!

    -g-

    *the reason I make black a spot color (rather than a process color) in my documents is b/c the majority of prints we produce are spot color prints -- black only, red and black, black and blue.
     
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  2. PHILJOHNSON

    PHILJOHNSON Sales Manager

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    Jul 23, 2010
    Seattle, WA
    Hi Garisimo,

    This seems like an unusual error. It sounds to me like the device is having a tough time finding just the cyan markers. What type of material is it that you are printing on?

    Also, have you spoken with Summa technical support yet regarding this issue?

    Regards,

    Phil Johnson
    Summa Inc.
     
  3. garisimo

    garisimo Member

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    Oct 14, 2009
    USA
    Actually, when the conditions are as described above, the printer uses black as the OT markers (even though cyan is selected). And it will print the left-most marker, but will not the right-most marker. This doesn't have anything to do with the material (we're printing on 30" white or clear; happens on either).

    Yes, at length -- they have been very helpful in working with me on this issue, and ultimately have said that it is a firmware bug. My primary reason for posting this message is to let others know who may be having similar issues.

    Cheers!

    -g-
     
  4. MikeD

    MikeD Active Member

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    Oct 25, 2011
    Is everything O.K. with the Cyan cassette and chip?
     
  5. garisimo

    garisimo Member

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    Oct 14, 2009
    USA
    Cyan prints fine; I just completed 6 hours of 3 color labels with no issue.

    -g-
     
  6. jayhawksigns

    jayhawksigns Very Active Member

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    Jan 8, 2005
    Kansas
    Which firmware are you on?
     
  7. garisimo

    garisimo Member

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    Oct 14, 2009
    USA
    Main and Engine both at Rev: 5.2, build Feb. 12, 2009.

    -g-
     
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